10102019 has 2 divisors, whose sum is σ = 10102020.
Its totient is φ = 10102018.
The previous prime is 10102009. The next prime is 10102049. The reversal of 10102019 is 91020101.
It can be divided in two parts, 1010 and 2019, that multiplied together give a triangular number (2039190 = T2019).
It is a weak prime.
It is an emirp because it is prime and its reverse (91020101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10102019 - 24 = 10102003 is a prime.
It is a super-2 number, since 2×101020192 = 204101575752722, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 10101994 and 10102012.
It is not a weakly prime, because it can be changed into another prime (10102009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051009 + 5051010.
It is an arithmetic number, because the mean of its divisors is an integer number (5051010).
Almost surely, 210102019 is an apocalyptic number.
10102019 is a deficient number, since it is larger than the sum of its proper divisors (1).
10102019 is an equidigital number, since it uses as much as digits as its factorization.
10102019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18, while the sum is 14.
The square root of 10102019 is about 3178.3673481837.
The cubic root of 10102019 is about 216.1736358164.
The spelling of 10102019 in words is "ten million, one hundred two thousand, nineteen".